Pyjamas started as a port of Google's Web Toolkit, to python.Explaining why Pyjamas (and GWT) is so significant takessome doing: the summary is that comprehensive desktop-likeuser interfaces can be developed very simply, to run inany modern web browser, without having to write a singleline of JavaScript. Further recommended reading is here:http://advogato.org/article/993.htmlhttp://advogato.org/article/981.html